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MV metal clad (walk-in) swgr is very common, especially at generation, industrial, and mining plants. Sometimes the walk-in includes extra space for a 2MVA xfmr, DC batteries, and additional racks for telecom, SCADA, or xfmr relaying. Walk-in style MV swgr is also preferred for spaced restricted subs or places where aesthetics are important. Disney World down in Orlando, Maui Hawaii, and the Big Island of Hawaii are examples.

Some of the advantages are smaller footprint and the ability to pre-fabricate.